Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2026.07.20 -

gov.sustainability. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.constantcontact.r20.visitor  (https)	0.105646	1118	0.08	0.025333	0	0	n/a	graph
com.googleapis.fonts  (https)	0.085410	1621	0.15	0.082497	1621	0.15	104%	graph
gov.energy.www  (https)	0.551781	130633	1.81	0.114383	130633	8.74	483%	graph
• gov.sustainability.www  (https)	0.520394	10317	0.15	0.053308	0	0	n/a	graph
gov.whitehouse.www  (https)	0.544878	295348	4.14	0.155296	295348	14.54	351%	graph
IPv6 operational: 0% of linked subdomains (0/1), 60% of all linked domains (3/5)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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